Knowledge base for software setup, errors, and daily tool work.

Fix Windows Search Offline Installer Error 0x80070005 (Permission Denied)

When you try to install the Windows Search offline installer (e.g., for Windows 10 or 11), you ma...

Fix Windows Defender Service Not Starting (Connection Refused)

When you see 'Windows Defender service not starting – connection refused', it usually means the s...

How to Reduce CMD Memory Usage in Windows

If you notice the Command Prompt (CMD) using more memory than expected—sometimes hundreds of mega...

Docker Compose Build No Cache Checklist: Step-by-Step

When You Need a Clean Build

If you notice your Docker Compose services are not picking u...

Fix Windows Search Not Indexing in Dual Boot with Ubuntu

If you run a dual-boot setup with Windows and Ubuntu, you may notice Windows Search stops indexin...

Fix Windows Security High Memory Usage

If you notice Windows Security (formerly Windows Defender) using excessive memory—sometimes hundr...